FR2160321A1 - - Google Patents

Info

Publication number
FR2160321A1
FR2160321A1 FR7141586A FR7141586A FR2160321A1 FR 2160321 A1 FR2160321 A1 FR 2160321A1 FR 7141586 A FR7141586 A FR 7141586A FR 7141586 A FR7141586 A FR 7141586A FR 2160321 A1 FR2160321 A1 FR 2160321A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7141586A
Other languages
French (fr)
Other versions
FR2160321B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR7141586A priority Critical patent/FR2160321B1/fr
Publication of FR2160321A1 publication Critical patent/FR2160321A1/fr
Application granted granted Critical
Publication of FR2160321B1 publication Critical patent/FR2160321B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR7141586A 1971-11-19 1971-11-19 Expired FR2160321B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7141586A FR2160321B1 (en) 1971-11-19 1971-11-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7141586A FR2160321B1 (en) 1971-11-19 1971-11-19

Publications (2)

Publication Number Publication Date
FR2160321A1 true FR2160321A1 (en) 1973-06-29
FR2160321B1 FR2160321B1 (en) 1974-05-31

Family

ID=9086084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7141586A Expired FR2160321B1 (en) 1971-11-19 1971-11-19

Country Status (1)

Country Link
FR (1) FR2160321B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB713224A (en) * 1951-05-21 1954-08-04 Ericsson Telefon Ab L M Variable attenuation correcting electrical impedance network
US2811695A (en) * 1954-10-18 1957-10-29 Bell Telephone Labor Inc Automatic level control
FR1397001A (en) * 1961-03-10 1965-04-23 Telefunken Patent Assembly for applying two opposing variable direct currents, the sum of which is constant, to two different resistances, intended in particular for pilot level regulators for multichannel telecommunication systems with carrier frequencies
US3289120A (en) * 1963-10-18 1966-11-29 Bell Telephone Labor Inc Variable electric attenuator networks

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB713224A (en) * 1951-05-21 1954-08-04 Ericsson Telefon Ab L M Variable attenuation correcting electrical impedance network
US2811695A (en) * 1954-10-18 1957-10-29 Bell Telephone Labor Inc Automatic level control
FR1397001A (en) * 1961-03-10 1965-04-23 Telefunken Patent Assembly for applying two opposing variable direct currents, the sum of which is constant, to two different resistances, intended in particular for pilot level regulators for multichannel telecommunication systems with carrier frequencies
US3289120A (en) * 1963-10-18 1966-11-29 Bell Telephone Labor Inc Variable electric attenuator networks

Also Published As

Publication number Publication date
FR2160321B1 (en) 1974-05-31

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Legal Events

Date Code Title Description
ST Notification of lapse